Our group has established in 1998 and covers about 19500 M2. Nowadays, we have 500 employees, 235 sets of various mechanical machinery and other facilities.

Does anyone know of a formula for calculating the minimum closing time of a butterfly valve to prevent water hammer? I have a vague recollection of there being such a beast but cannot find any referen

Could a expert person please verify the following? The maximum operating pressure VS minimum temperature (0C) of carbon steel piping A106 Gr.B of class 300# is 51 Barg. I believe this is the maximum

Many engineering pipe specifications will specify the use of 300# flanges for pipe diameters of 3" and below for pipe classes specified for 150# service. Does anyone know the basis of this? I havve

In certain Low temperature and cryogenic applications ,shell specifies valve bonnet to be non extended.. to be more specific it states the valves to be non operable valves (ref shell MESC 77/200). wha

Can a control valve produce high noise (more than 85 db) under low pressure drop, say 20 psi or 30 psi?

What is so wrong with Coriolis measurement, that a major oxygen supplier would refrain from using it? I assume for the time being that the head office is being quoted correctly.What other metering opt

What is the multi-turn ball valve?Is it orbit ball valve?If so, what is the purpose to use that kind of ball valve?